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Air Conditioning Repair and Installation Longmont Colorado

Trained to Fix Problems not Upsell Services

We don't use high-pressure sales tactics.  Unlike many larger HVAC companies in Colorado that pay their technicians on commission.  Our business is solely focused on creating customers for life.  So our only incentive is to provide you honest, reliable, and fast service. 

Longmont HVAC Contractors

For excellent HVAC solutions, consult the experts of Tri County Heating & Cooling. Because of the professional and high-quality work we give clients, we have earned a reputation as a reliable HVAC contractor in Longmont, CO. We are experienced in various residential and commercial HVAC services, including repair, maintenance, and installation.

Knowledge, reliability, and competitive rates set us apart from other HVAC service providers in the area. We offer reliable HVAC services and products to ensure your satisfaction. Discuss your HVAC concerns with us by calling us today. One of our knowledgeable representatives will assist you.


Get your air conditioner serviced today with a NATE certified technician.


Have us install a new high-efficiency Air Conditioner or Furnace System.


Keep your HVAC system at peak performance with a maintenance agreement.

We LOVE Harvey and everyone at Tri County Heating & Cooling! Harvey does great work and has come to our rescue on numerous occasions both at our home and our business. We definitely keep him busy and he does a great job every time! Highly recommend him!
Alexis Kochevar
Longmont, CO

Service Areas

Longmont, Berthoud, Niwot, Frederick, Firestone, Loveland

Satisfaction Guaranty

If you are not 100% satisfied with our repair within the 1st year, we will remove the parts and refund 100% of your money